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السجلات المعروضة 111 -- 120 من 120
New ecological redline policy (ERP) to secure ecosystem services in China
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Elsevier Ltd
, 2015 , Article)
China is facing huge environmental problems, with its current rapid rate of urbanization and industrial-ization causing biodiversity loss, ecosystem degradation, and land resources degradation on a major scale.To overcome ...
Foraging and habitat use of common duikers, Sylvicapra grimmia, in a heterogeneous environment within the Soutpansberg, South Africa
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Wiley-Blackwell
, 2015 , Article)
We investigated aspects of the foraging behaviour and activity patterns of free-ranging common duikers (Sylvicapra grimmia) within the Soutpansberg, South Africa. We used giving-up densities (GUD) and camera traps to test ...
Foraging and habitat use of eastern cottontails (Sylvilagus floridanus) in an urban landscape
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Springer Nature
, 2015 , Article)
Urban landscapes such as college campuses, arboretums, and backyards provide excellent habitats for education and research into animal behavior. We investigated aspects of the foraging activity of free-ranging Eastern ...
Assessing uncertainty in sighting records: An example of the Barbary lion
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PeerJ
, 2015 , Article)
As species become rare and approach extinction, purported sightings can be controversial, especially when scarce management resources are at stake.We consider the probability that each individual sighting of a series is ...
التاريخ الاجتماعي للجواري في مصر قبيل عصر التحديث: نفيسة خاتون المرادية نموذجاً
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المركز العربي للأبحاث ودراسة السياسات - معهد الدوحة للدراسات العليا
, 2015 , Article)
تركّز هذا المقالة على دراسة شخصية نسائية تنتمي إلى صفوة نساء المجتمع، في مرحلة شديدة التقلب وعدم الاستقرار، بين آخر القرن الثامن عشر ومطلع القرن التاسع عشر، إنها "السيدة نفيسة" التي خطفها اللصوص من إحدى القرى الجبلية ...
Synchronous spectrofluorimetric study of the supramolecular host–guest interaction of β-cyclodextrin with propranolol: A comparative study
(
Elsevier
, 2015 , Article)
The objective of this work is to assess the use of constant-wavelength synchronous fluorescence spectroscopy (SFS) in comparison to conventional fluorescence spectroscopy (CFS) for the investigation of the supramolecular ...
Conducting polyaniline nanorods doped with aromatic carboxyl chain end functionalized polystyrene
(
Elsevier
, 2015 , Article)
The preparation of new conducting polyaniline (PANI) derivatives with different nanostructures is described. PANI derivatives doped with aromatic carboxyl chain end functionalized polystyrene derivatives of different number ...
Towards a ‘democratic knowledge’ turn? Knowledge production in the age of the Arab Spring
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Taylor & Francis
, 2015 , Article)
This contribution (and the special issue as a whole) marks a modest attempt to initiate an investigation into what is called here ‘democratic knowledge’. This is done with special reference to the Arab Maghrib (in this ...
The impact of the Arab spring on the gulf cooperation council
(
Taylor & Francis
, 2015 , Article)
It is apposite to interrogate the notion of ‘monarchical exceptionalism’ when testing the idea that the ‘Arab Spring’ has not affected the so-called ‘ruling bargain’ in the Gulf Cooperation Council (GCC). The Arab Spring ...
Nonheme Fe(IV) Oxo Complexes of Two New Pentadentate Ligands and Their Hydrogen-Atom and Oxygen-Atom Transfer Reactions
(
American Chemical Society (ACS)
, 2015 , Article)
Two new pentadentate {N5} donor ligands based on the N4Py (N4Py = N,N-bis(2-pyridylmethyl)-N-bis(2-pyridyl)methylamine) framework have been synthesized, viz. [N-(1-methyl-2-benzimidazolyl)methyl-N-(2-pyridyl)methyl-N-(bi ...